Import Tuner Challenge, a racing game for the Xbox 360, immerses players in the underground street racing scene of Tokyo. Part of the long-running Shutokou Battle series, it offers a deep level of car customization and a focus on midnight high-speed duels along the Shuto Expressway. As a blend of simulation and arcade-style gameplay, players can tweak their vehicles for peak performance and visual flair, striving to earn respect and climb the ranks among rival clubs and racers. Its genre is best described as a racing simulation game with an emphasis on car tuning and street racing culture.